What does ssi stand for?

Significant Structural Item (NAKS)

Brunswick - Georgia - Airport symbol (AD)

Brunswick, GA - Location identifier - FAA (FAAL)

Safecard Services (EFIS)

Safeguard Services, Inc. - Commercial firm

Safe Shutdown Impoundment - Nuclear energy (NRCH)

Safeway Stores, Inc.

Sale Satisfaction Index - Business term

Sales Styles Indicator - Test (TMMY)

Sansi - Language code (ETLW)

Satellite Sequential Imaging

Satellite Services, Inc. - Houston, TX - Telecommunications (TSSD)

Scaffolding and Shoring Institute - Later, SSFI (EA)

Scientific Systems, Inc.

Scottish Symphony Orchestra (ODA)

Screening Site Inspection - Environmental science (BCP)

Scuba Schools International (SAUS)

Seacor Services, Inc. (EFIS)

Second Stage Ignition (SAUS)

Second-Stage Ignition

Secret Special Intelligence - Military technology (DDF)

Sector Scan Indicator

Security Systems, Inc. - In TV series "Max Headroom"

Security Systems Inspectorate - Established in 1987 - British

Segmental Sequential Irradiation (AAMN)

Seismic Survival Indicator - Earthquake analysis program - Computer science

Semiconductor Specialists, Inc. (IAA)

Semisopochnoi Island - Alaska - Seismograph station code, US Geological Survey - Closed (SEIS)

Sensor System Interface - Military technology (DDF)

Separate Shifting Instruction (SAUS)

Serial Signal Interface

Server Side Include (SAUS)

Server-Side Include (RALS)

Server Side Includes (SAUS)

Service Social International - International Social Service - ISS - Geneva, Switzerland (EAIO)

Shaft Speed Indicator

Shear Stability Index - Fuels and lubricants

Ship and Shore Installation (MCD)

Short-Scale Integration (SAUS)

Shoulder Sleeve Insignia - Military (AABC)

Signed Short Integer - Computer science

Signet Systems, Inc. (SAUS)

Significant Structural Item (NASA)

Silent Spring Institute - Research center (RCD)

Silicon Systems, Inc. (SAUS)

Single Scale Integration (IAA)

Single Service Institute - Later, FPI (EA)

Single System Image

Single-System Image (GART)

Site of Special Scientific Interest - Great Britain

Site Screening Investigation - Office of Environmental Management, Department of Energy (DEEM)

Sites of Scientific Importance (SAUS)

Size Selective Inlet - Environmental Protection Agency (GFGA)

Skey Survey Instrument (SAUS)

Skill Speciality Identification (SAUS)

Skill Speciality Identifier (MCD)

Sky Survey Instrument

Slater Industries, Inc. - Toronto Stock Exchange symbol

Slater Steels Corp. - Formerly, Slater Steel Industries - Toronto Stock Exchange symbol

Small Scale Integration (SAUS)

Smart Set International - Program to discourage drug abuse - Defunct (EA)

Snecma Services International (EFIS)

Social Science Institute - Washington University - Research center (RCD)

Social Sciences Index (SAUS)

Social Security Income (DAVI)

Social Security Information

Social Security Insurance (SAUS)

Society for Siberian Irises (EA)

Society for the Study of Internationalism (EA)

Society of Saunterers, International (EA)

Society of Scribes and Illuminators (EA)

Society of Strip Illustration - British (DBA)

Software Sciences Institute (NITA)

Software Solutions International, Inc. - Commercial firm

Software Support Instruction (SAUS)

Software Systems Interface (SAUS)

Soldier-System Interface (SAUS)

Solid-State Ignition (SAUS)

Solid State Imager (or Imaging) (SAUS)

Solid-State Imaging - Physics

Solid State Interlocking - Indian Railway (TIR)

Solid State Inverter (SAUS)

Solid-State Inverter

Solid-State Ionics (SAUS)

Solvent Service, Inc. (EFIS)

Spacecraft System Integration

Spaceport Systems International (IGSL)

Spacesaver Systems, Inc. - Commercial firm

Space Segment Integrator (ACAE)

Space Services, Incorporated (ACAE)

Space Studies Institute (EA)

Space Systems, Incorporated (ACAE)

Spares Status Inquiry (AAG)

Specialist Service International (SAUS)

Special Scientific Interest (SAUS)

Special Secretariat for Informatics (NITA)

Special Skill Identifier - Military technology (DDF)

Special Subject for Inspection - DoD

Special Surveillance Inspection (MCD)

Specialty Skill Identifier - Military (AABC)

Specific Searching Image - Tendency of birds to select prey of the color to which they have been accustomed

Spectral Statistical Interpolation (SAUS)

SpectraSite - Wireless tower owner and operator

Spin-Spin Interaction (SAUS)

Staff Sergeant Instructor - Military - British

Standard Settlement Instruction

Standards Starts Index - Horse racing (DICI)

Standing Signal Instructions - Military

Start Signal Indicator - Telecommunications (TEL)

Statistically Significant Increase (IDEM)

Steady State Irradiation (SAUS)

Steady-State Irradiation - Nuclear energy (NRCH)

Stichting Sprenger Instituut (SAUS)

Stockpile Surveillance Inspection

Storage-to-Storage Instruction (IEEE)

Strategic Simulations Inc.

Strategic Studies Institute (MCD)

Structurally Significant Items (SAUS)

Structural Significant Item (MCD)

Student/Supervisor Instructions - Army Training Extension Course

Stuttering Severity Index - Speech and language therapy (DAVI)

Stuttering Severity Instrument (STED)

Subshock Insulin - Pharmacology (DAVI)

Subsod Injection - Waste treatment (DICI)

Sub-System Interface (SAUS)

Subunit-Subunit Interface (DB)

Successively Summed Integration (SAUS)

Sucro-Sac-Ologists Society International - Defunct (EA)

Sunstone Hotel Investors, Inc. - NYSE symbol (SAG)

Superintending Specialist Inspector (HEAS)

Supplemental Security Income - Social Security Administration

Supplemental Security Income Program (USGC)

Supplemental Security Insurance - Program

Supply Support Index (CAAL)

Supply System Item (SAUS)

Support Services International, Inc. - Commercial firm

Surprise Security Inspection - Navy (NVT)

Survey Sampling, Inc. - Information service or system (IID)

Sustaining Support Increment - Military

Symptom Sign Inventory - Psychology

Synchronous Serial Interface - Computer science (CIST)

Synchronous Systems Interface

Synthetic Sentence Indentification - Speech and language Therapy (DAVI)

System Science Institute - IBM Corp.

System Sign Inventory (DAVI)

Systems Solutions (IID)

System Standard Interface (SAUS)

System Status Index (IAA)

System Status Indicator - Bell System

System Status Information (SAUS)